Page 91 - 2017-Swift-Group-Motorhomes-Handbook-web
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SWIFT COMMAND POWER CONTROL SYSTEM
ELECTRICS 3.3 Battery Charger 3.4 Leisure Battery
The system incorporates an intelligent A) Type / Selection
three-stage battery charger. For optimum performance and safety it
is essential that only a proprietary brand
During stage 1 the battery voltage is increased LEISURE battery is used and it is suggested
gradually while the current is limited to start the to select a battery from the NCC Verified
charging process and protect the battery. Battery Scheme with a typical capacity of 75
At stage 2 the voltage rises to 14.4V to deliver to 120 Ah (Ampere / hours). Depending on the
the bulk charge to the battery. When the prospective use of the motorhome the correct
battery is charged, the voltage is decreased type should be selected (A, B or C).
at stage 3 to 13.6V to deliver a float charge to A normal car battery is NOT suitable. This
maintain the battery in the fully charged state. battery should always be connected when
The charger can be left switched on the system is in use.
continuously as required.
The PSU is configured to work with standard
The battery charger / power converter also lead acid leisure batteries, and in most cases
provides power to the leisure equipment when is also compatible with the latest range of
the mains supply is connected. This module Absorbed Glass Matt (AGM) batteries. Before
supplies DC to the leisure equipment up to a fitting non-standard batteries please check
maximum of 25 Amps (300 Watts), therefore that the charging profile described in 3.3 is
the available power is distributed between suitable for the type of battery by referring
the leisure load and the battery, with the to the battery documentation or battery
leisure load taking priority as per the following manufacturer.
example:
Some vehicle installations can cater for two
Leisure Available power for battery leisure batteries connected in parallel. In these
Load charging cases it is recommended that two identical
batteries are used.
5A 20A
The battery feed is fitted with an inline fuse
10A 15A between the battery and the electrical harness,
and is usually located immediately outside
15A 10A the battery compartment or within 500mm
of the battery. If a single battery is fitted to
20A 5A a motorhome, this fuse could be up to 40A,
however if two batteries are fitted each battery
should be fused at a maximum of 20A.
B) Installation & Removal
Always disconnect the 230V mains supply
and turn the PSU green charger switch to the
off position (button out) before removing or
installing the battery.
! WARNING: Under heavy loads the When connecting the battery, ensure that the
correct polarity is observed (black is negative
Battery Charger case may become hot. [-] and red is positive [+]) and that the terminals
ALWAYS ensure the ventilation slots have are securely fastened. Crocodile clips must not
a clear flow of air. Do not place combustible be used.
materials against / adjacent to the charger.
! WARNING: Explosive gases may be
present at the battery. Take care to prevent
flames and sparks in the vicinity of
the battery and do not smoke.
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